├── .swiftpm └── xcode │ ├── package.xcworkspace │ └── contents.xcworkspacedata │ └── xcuserdata │ └── davidcrooks.xcuserdatad │ └── xcschemes │ └── xcschememanagement.plist ├── Example ├── CodableWebSocketExample.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── swiftpm │ │ │ └── Package.resolved │ └── xcuserdata │ │ └── davidcrooks.xcuserdatad │ │ └── xcschemes │ │ └── xcschememanagement.plist ├── CodableWebSocketExample │ ├── AppDelegate.swift │ ├── Assets.xcassets │ │ ├── AppIcon.appiconset │ │ │ └── Contents.json │ │ └── Contents.json │ ├── Base.lproj │ │ └── LaunchScreen.storyboard │ ├── ContentView.swift │ ├── Info.plist │ ├── Preview Content │ │ └── Preview Assets.xcassets │ │ │ └── Contents.json │ ├── Publisher+FilterOutErrors.swift │ ├── SceneDelegate.swift │ └── Thing.swift └── CodableWebSocketExampleTests │ ├── Info.plist │ └── WebSocketDemoTests.swift ├── Package.swift ├── README.md ├── Sources └── CodableWebSocket │ ├── CodableWebSocket.swift │ └── CodableWebsocketSubscription.swift └── Tests ├── CodableWebSocketTests ├── CodableWebSocketTests.swift └── XCTestManifests.swift └── LinuxMain.swift /.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /.swiftpm/xcode/xcuserdata/davidcrooks.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | CodableWebSocket.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | CodableWebSocket 16 | 17 | primary 18 | 19 | 20 | CodableWebSocketTests 21 | 22 | primary 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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431 | PRODUCT_BUNDLE_IDENTIFIER = com.crooks.WebSocketDemoTests; 432 | PRODUCT_NAME = "$(TARGET_NAME)"; 433 | SWIFT_VERSION = 5.0; 434 | TARGETED_DEVICE_FAMILY = "1,2"; 435 | TEST_HOST = "$(BUILT_PRODUCTS_DIR)/WebSocketDemo.app/WebSocketDemo"; 436 | }; 437 | name = Debug; 438 | }; 439 | 54CBB10625061F7600FD9ED7 /* Release */ = { 440 | isa = XCBuildConfiguration; 441 | buildSettings = { 442 | ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES; 443 | BUNDLE_LOADER = "$(TEST_HOST)"; 444 | CODE_SIGN_STYLE = Automatic; 445 | DEVELOPMENT_TEAM = 84Y3R5UC5Q; 446 | INFOPLIST_FILE = WebSocketDemoTests/Info.plist; 447 | IPHONEOS_DEPLOYMENT_TARGET = 13.7; 448 | LD_RUNPATH_SEARCH_PATHS = ( 449 | "$(inherited)", 450 | "@executable_path/Frameworks", 451 | "@loader_path/Frameworks", 452 | ); 453 | PRODUCT_BUNDLE_IDENTIFIER = com.crooks.WebSocketDemoTests; 454 | PRODUCT_NAME = "$(TARGET_NAME)"; 455 | SWIFT_VERSION = 5.0; 456 | TARGETED_DEVICE_FAMILY = "1,2"; 457 | TEST_HOST = "$(BUILT_PRODUCTS_DIR)/WebSocketDemo.app/WebSocketDemo"; 458 | }; 459 | name = Release; 460 | }; 461 | /* End XCBuildConfiguration section */ 462 | 463 | /* Begin XCConfigurationList section */ 464 | 54CBB0DD25061F7400FD9ED7 /* Build configuration list for PBXProject "CodableWebSocketExample" */ = { 465 | isa = XCConfigurationList; 466 | buildConfigurations = ( 467 | 54CBB0FF25061F7600FD9ED7 /* Debug */, 468 | 54CBB10025061F7600FD9ED7 /* Release */, 469 | ); 470 | defaultConfigurationIsVisible = 0; 471 | defaultConfigurationName = Release; 472 | }; 473 | 54CBB10125061F7600FD9ED7 /* Build configuration list for PBXNativeTarget "CodableWebSocketExample" */ = { 474 | isa = XCConfigurationList; 475 | buildConfigurations = ( 476 | 54CBB10225061F7600FD9ED7 /* Debug */, 477 | 54CBB10325061F7600FD9ED7 /* Release */, 478 | ); 479 | defaultConfigurationIsVisible = 0; 480 | defaultConfigurationName = Release; 481 | }; 482 | 54CBB10425061F7600FD9ED7 /* Build configuration list for PBXNativeTarget "CodableWebSocketExampleTests" */ = { 483 | isa = XCConfigurationList; 484 | buildConfigurations = ( 485 | 54CBB10525061F7600FD9ED7 /* Debug */, 486 | 54CBB10625061F7600FD9ED7 /* Release */, 487 | ); 488 | defaultConfigurationIsVisible = 0; 489 | defaultConfigurationName = Release; 490 | }; 491 | /* End XCConfigurationList section */ 492 | 493 | /* Begin XCRemoteSwiftPackageReference section */ 494 | 54115A112514E14B002DF01D /* XCRemoteSwiftPackageReference "CodableWebsocket" */ = { 495 | isa = XCRemoteSwiftPackageReference; 496 | repositoryURL = "https://github.com/quantumOrange/CodableWebsocket"; 497 | requirement = { 498 | kind = upToNextMajorVersion; 499 | minimumVersion = 0.1.1; 500 | }; 501 | }; 502 | /* End XCRemoteSwiftPackageReference section */ 503 | 504 | /* Begin XCSwiftPackageProductDependency section */ 505 | 54115A122514E14B002DF01D /* CodableWebSocket */ = { 506 | isa = XCSwiftPackageProductDependency; 507 | package = 54115A112514E14B002DF01D /* XCRemoteSwiftPackageReference "CodableWebsocket" */; 508 | productName = CodableWebSocket; 509 | }; 510 | /* End XCSwiftPackageProductDependency section */ 511 | }; 512 | rootObject = 54CBB0DA25061F7400FD9ED7 /* Project object */; 513 | } 514 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved: -------------------------------------------------------------------------------- 1 | { 2 | "object": { 3 | "pins": [ 4 | { 5 | "package": "CodableWebSocket", 6 | "repositoryURL": "https://github.com/quantumOrange/CodableWebsocket", 7 | "state": { 8 | "branch": null, 9 | "revision": "8c5fe7b0294c952d65cc53e22114d3c8997a200d", 10 | "version": "0.1.2" 11 | } 12 | } 13 | ] 14 | }, 15 | "version": 1 16 | } 17 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample.xcodeproj/xcuserdata/davidcrooks.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | CodableWebSocketExample.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 0 11 | 12 | WebSocketDemo.xcscheme_^#shared#^_ 13 | 14 | orderHint 15 | 0 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | 15 | 16 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { 17 | // Override point for customization after application launch. 18 | return true 19 | } 20 | 21 | // MARK: UISceneSession Lifecycle 22 | 23 | func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration { 24 | // Called when a new scene session is being created. 25 | // Use this method to select a configuration to create the new scene with. 26 | return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) 27 | } 28 | 29 | func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set) { 30 | // Called when the user discards a scene session. 31 | // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. 32 | // Use this method to release any resources that were specific to the discarded scenes, as they will not return. 33 | } 34 | 35 | 36 | } 37 | 38 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "scale" : "2x", 6 | "size" : "20x20" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "scale" : "3x", 11 | "size" : "20x20" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "scale" : "2x", 16 | "size" : "29x29" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "scale" : "3x", 21 | "size" : "29x29" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "scale" : "2x", 26 | "size" : "40x40" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "scale" : "3x", 31 | "size" : "40x40" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "scale" : "2x", 36 | "size" : "60x60" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "scale" : "3x", 41 | "size" : "60x60" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "scale" : "1x", 46 | "size" : "20x20" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "scale" : "2x", 51 | "size" : "20x20" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "scale" : "1x", 56 | "size" : "29x29" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "scale" : "2x", 61 | "size" : "29x29" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "scale" : "1x", 66 | "size" : "40x40" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "scale" : "2x", 71 | "size" : "40x40" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "scale" : "1x", 76 | "size" : "76x76" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "scale" : "2x", 81 | "size" : "76x76" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "scale" : "2x", 86 | "size" : "83.5x83.5" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "scale" : "1x", 91 | "size" : "1024x1024" 92 | } 93 | ], 94 | "info" : { 95 | "author" : "xcode", 96 | "version" : 1 97 | } 98 | } 99 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "author" : "xcode", 4 | "version" : 1 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/ContentView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ContentView.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import SwiftUI 10 | import Combine 11 | import CodableWebSocket 12 | 13 | class ViewModel:ObservableObject { 14 | var socket:CodableWebSocket 15 | var cancelable:AnyCancellable? = nil 16 | 17 | @Published var thing:Thing = Thing(name: "nothing", number: 0) 18 | 19 | init() { 20 | socket = CodableWebSocket(url:URL(string:"ws://echo.websocket.org")!) 21 | 22 | cancelable = socket 23 | .codable() 24 | .receive(on:DispatchQueue.main) 25 | .filterOutErrors() 26 | .assign(to: \ViewModel.thing, on: self) 27 | 28 | } 29 | } 30 | 31 | struct ContentView: View 32 | { 33 | @ObservedObject var viewModel:ViewModel = ViewModel() 34 | 35 | var body: some View 36 | { 37 | VStack 38 | { 39 | Text("Received: \(viewModel.thing.name). Thing number \(viewModel.thing.number).") 40 | Button("Send A Thing") 41 | { 42 | _ = self 43 | .viewModel 44 | .socket 45 | .receive(.codable(self.viewModel.thing.next())) 46 | } 47 | 48 | } 49 | } 50 | } 51 | 52 | struct ContentView_Previews: PreviewProvider { 53 | static var previews: some View 54 | { 55 | ContentView() 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UIApplicationSceneManifest 24 | 25 | UIApplicationSupportsMultipleScenes 26 | 27 | UISceneConfigurations 28 | 29 | UIWindowSceneSessionRoleApplication 30 | 31 | 32 | UISceneConfigurationName 33 | Default Configuration 34 | UISceneDelegateClassName 35 | $(PRODUCT_MODULE_NAME).SceneDelegate 36 | 37 | 38 | 39 | 40 | UILaunchStoryboardName 41 | LaunchScreen 42 | UIRequiredDeviceCapabilities 43 | 44 | armv7 45 | 46 | UISupportedInterfaceOrientations 47 | 48 | UIInterfaceOrientationPortrait 49 | UIInterfaceOrientationLandscapeLeft 50 | UIInterfaceOrientationLandscapeRight 51 | 52 | UISupportedInterfaceOrientations~ipad 53 | 54 | UIInterfaceOrientationPortrait 55 | UIInterfaceOrientationPortraitUpsideDown 56 | UIInterfaceOrientationLandscapeLeft 57 | UIInterfaceOrientationLandscapeRight 58 | 59 | NSAppTransportSecurity 60 | 61 | NSAllowsArbitraryLoads 62 | 63 | 64 | 65 | 66 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Preview Content/Preview Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "author" : "xcode", 4 | "version" : 1 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Publisher+FilterOutErrors.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Publisher+FilterOutErrors.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import Combine 11 | 12 | extension Publisher { 13 | func filterOutErrors() -> Publishers.CompactMap>, Self.Output> 14 | { 15 | map{ Optional($0)} 16 | .replaceError(with:nil) 17 | .compactMap{$0} 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/SceneDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SceneDelegate.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import SwiftUI 11 | 12 | class SceneDelegate: UIResponder, UIWindowSceneDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { 18 | // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. 19 | // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. 20 | // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). 21 | 22 | // Create the SwiftUI view that provides the window contents. 23 | let contentView = ContentView() 24 | 25 | // Use a UIHostingController as window root view controller. 26 | if let windowScene = scene as? UIWindowScene { 27 | let window = UIWindow(windowScene: windowScene) 28 | window.rootViewController = UIHostingController(rootView: contentView) 29 | self.window = window 30 | window.makeKeyAndVisible() 31 | } 32 | } 33 | 34 | func sceneDidDisconnect(_ scene: UIScene) { 35 | // Called as the scene is being released by the system. 36 | // This occurs shortly after the scene enters the background, or when its session is discarded. 37 | // Release any resources associated with this scene that can be re-created the next time the scene connects. 38 | // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead). 39 | } 40 | 41 | func sceneDidBecomeActive(_ scene: UIScene) { 42 | // Called when the scene has moved from an inactive state to an active state. 43 | // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive. 44 | } 45 | 46 | func sceneWillResignActive(_ scene: UIScene) { 47 | // Called when the scene will move from an active state to an inactive state. 48 | // This may occur due to temporary interruptions (ex. an incoming phone call). 49 | } 50 | 51 | func sceneWillEnterForeground(_ scene: UIScene) { 52 | // Called as the scene transitions from the background to the foreground. 53 | // Use this method to undo the changes made on entering the background. 54 | } 55 | 56 | func sceneDidEnterBackground(_ scene: UIScene) { 57 | // Called as the scene transitions from the foreground to the background. 58 | // Use this method to save data, release shared resources, and store enough scene-specific state information 59 | // to restore the scene back to its current state. 60 | } 61 | 62 | 63 | } 64 | 65 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExample/Thing.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Thing.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | struct Thing:Codable { 12 | let name:String 13 | let number:Int 14 | 15 | 16 | func next() -> Thing { 17 | let name = Thing.names[number % Thing.names.count] 18 | return Thing(name: name, number: number+1) 19 | } 20 | 21 | static let names = ["Banana","Grapes","Bicycle","Surfboard","Octopus","Drill","Book"] 22 | } 23 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExampleTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | $(PRODUCT_BUNDLE_PACKAGE_TYPE) 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /Example/CodableWebSocketExampleTests/WebSocketDemoTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // WebSocketDemoTests.swift 3 | // WebSocketDemoTests 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import WebSocketDemo 11 | 12 | class WebSocketDemoTests: XCTestCase { 13 | 14 | override func setUpWithError() throws { 15 | // Put setup code here. This method is called before the invocation of each test method in the class. 16 | } 17 | 18 | override func tearDownWithError() throws { 19 | // Put teardown code here. This method is called after the invocation of each test method in the class. 20 | } 21 | 22 | func testExample() throws { 23 | // This is an example of a functional test case. 24 | // Use XCTAssert and related functions to verify your tests produce the correct results. 25 | } 26 | 27 | func testPerformanceExample() throws { 28 | // This is an example of a performance test case. 29 | self.measure { 30 | // Put the code you want to measure the time of here. 31 | } 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /Package.swift: -------------------------------------------------------------------------------- 1 | // swift-tools-version:5.2 2 | // The swift-tools-version declares the minimum version of Swift required to build this package. 3 | 4 | import PackageDescription 5 | 6 | let package = Package( 7 | name: "CodableWebSocket", 8 | platforms: [.iOS(.v13)], 9 | products: [ 10 | // Products define the executables and libraries produced by a package, and make them visible to other packages. 11 | .library( 12 | name: "CodableWebSocket", 13 | targets: ["CodableWebSocket"]), 14 | ], 15 | dependencies: [ 16 | // Dependencies declare other packages that this package depends on. 17 | // .package(url: /* package url */, from: "1.0.0"), 18 | ], 19 | targets: [ 20 | // Targets are the basic building blocks of a package. A target can define a module or a test suite. 21 | // Targets can depend on other targets in this package, and on products in packages which this package depends on. 22 | .target( 23 | name: "CodableWebSocket", 24 | dependencies: []), 25 | .testTarget( 26 | name: "CodableWebSocketTests", 27 | dependencies: ["CodableWebSocket"]), 28 | ] 29 | ) 30 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Codable Websocket 2 | 3 | A Combine Publisher and Subscriber that wraps a URLSessionWebSocketTask and makes it easy to send and receive any codable type over a websocket. 4 | 5 | **Combine, SwiftUI, Websocket** 6 | 7 | ## Usage 8 | You can create a socket with a URL with any type that conforms to the Codable protocol: 9 | ```swift 10 | let socket = CodableWebSocket(url:URL(string:"ws://echo.websocket.org")!) 11 | ``` 12 | You can send values to the websocket like this: 13 | 14 | ``` swift 15 | let value = MyCodableType() 16 | 17 | socket 18 | .receive(.codable(value)) 19 | ``` 20 | 21 | And receive values fromt the server like this: 22 | 23 | ``` swift 24 | let cancelable = socket 25 | .codable 26 | .sink(receiveCompletion: 27 | { completion in 28 | switch completion 29 | { 30 | case .finished: 31 | break 32 | case .failure(let error): 33 | print(error.localizedDescription) 34 | } 35 | }, 36 | receiveValue: 37 | { value in 38 | // do something with the value here 39 | print("Receved:\(value)") 40 | } 41 | ) 42 | ``` 43 | 44 | ## Example 45 | 46 | The example app is a simple demo that conects to ws://echo.websocket.org. This websocket just echos back whatever is sent. Whenever the user hits the send button we send a **Thing** to the server. Whatever is sent back (which will be just the **Thing** we sent) we display on the screen. 47 | 48 | -------------------------------------------------------------------------------- /Sources/CodableWebSocket/CodableWebSocket.swift: -------------------------------------------------------------------------------- 1 | // 2 | // WebSocket.swift 3 | // WebSocketDemo 4 | // 5 | // Created by David Crooks on 07/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import Combine 11 | 12 | public enum SocketData { 13 | case message(String) 14 | case codable(T) 15 | case uncodable(Data) 16 | } 17 | 18 | public final class CodableWebSocket:Publisher,Subscriber { 19 | 20 | public typealias Output = Result,Error> 21 | public typealias Input = SocketData 22 | public typealias Failure = Error 23 | let webSocketTask:URLSessionWebSocketTask 24 | public var combineIdentifier: CombineIdentifier = CombineIdentifier() 25 | 26 | public init(url:URL) 27 | { 28 | let urlSession = URLSession(configuration: .default) 29 | webSocketTask = urlSession.webSocketTask(with:url) 30 | webSocketTask.resume() 31 | } 32 | 33 | // MARK: Publisher 34 | 35 | public func receive(subscriber: S) where S : Subscriber, CodableWebSocket.Failure == S.Failure, CodableWebSocket.Output == S.Input { 36 | let subscription = CodableWebsocketSubscription(subscriber: subscriber, socket:webSocketTask) 37 | subscriber.receive(subscription: subscription) 38 | } 39 | 40 | // MARK: Subscriber 41 | 42 | public func receive(subscription: Subscription) { 43 | subscription.request(.unlimited) 44 | } 45 | 46 | public func receive(_ input: SocketData) -> Subscribers.Demand { 47 | let message:URLSessionWebSocketTask.Message 48 | 49 | switch input { 50 | 51 | case .message(let string): 52 | message = URLSessionWebSocketTask.Message.string(string) 53 | case .codable(let codable): 54 | if let data = try? JSONEncoder().encode(codable) { 55 | message = URLSessionWebSocketTask.Message.data(data) 56 | } 57 | else { 58 | fatalError() 59 | } 60 | case .uncodable(let data): 61 | message = URLSessionWebSocketTask.Message.data(data) 62 | } 63 | 64 | webSocketTask.send(message, completionHandler: { 65 | error in 66 | if let error = error { 67 | if self.webSocketTask.closeCode != .invalid { 68 | //closed! 69 | } 70 | Swift.print("ERROR on send \(error)") 71 | } 72 | }) 73 | return .unlimited 74 | } 75 | 76 | public func receive(completion: Subscribers.Completion) { 77 | Swift.print("Completion") 78 | } 79 | 80 | } 81 | 82 | extension CodableWebSocket { 83 | public func codable()-> AnyPublisher.Failure> { 84 | return compactMap{ result -> T? in 85 | guard case Result,Error>.success(let socketdata) = result, 86 | case SocketData.codable(let codable) = socketdata 87 | else { return nil } 88 | return codable 89 | }.eraseToAnyPublisher() 90 | } 91 | } 92 | 93 | -------------------------------------------------------------------------------- /Sources/CodableWebSocket/CodableWebsocketSubscription.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CodableWebsocketSubscription.swift 3 | // CodableWebSocketExample 4 | // 5 | // Created by David Crooks on 18/09/2020. 6 | // Copyright © 2020 David Crooks. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import Combine 11 | 12 | final class CodableWebsocketSubscription: Subscription where SubscriberType.Input == Result,Error>,SubscriberType.Failure == Error { 13 | private var subscriber: SubscriberType? 14 | 15 | let webSocketTask:URLSessionWebSocketTask 16 | 17 | init(subscriber: SubscriberType, socket:URLSessionWebSocketTask) { 18 | self.subscriber = subscriber 19 | webSocketTask = socket 20 | receive() 21 | } 22 | 23 | func request(_ demand: Subscribers.Demand) { 24 | // Nothing to do here 25 | } 26 | 27 | func cancel() { 28 | subscriber = nil 29 | } 30 | 31 | func receive() 32 | { 33 | webSocketTask 34 | .receive 35 | {[weak self] result in 36 | let newResult:Result,Error> = result.map { message in 37 | 38 | switch message 39 | { 40 | case .string(let str): 41 | return SocketData.message(str) 42 | case .data(let data): 43 | if let thing = try? JSONDecoder().decode(T.self, from: data) 44 | { 45 | return .codable(thing) 46 | } 47 | else 48 | { 49 | return .uncodable(data) 50 | } 51 | 52 | @unknown default: 53 | fatalError() 54 | } 55 | 56 | } 57 | 58 | 59 | if case Result.failure(let error) = newResult, self?.webSocketTask.closeCode != .invalid { 60 | self?.subscriber?.receive(completion:Subscribers.Completion.failure(error)) 61 | } 62 | else { 63 | _ = self?.subscriber?.receive(newResult) 64 | } 65 | 66 | self?.receive() 67 | 68 | } 69 | 70 | } 71 | } 72 | 73 | -------------------------------------------------------------------------------- /Tests/CodableWebSocketTests/CodableWebSocketTests.swift: -------------------------------------------------------------------------------- 1 | import XCTest 2 | @testable import CodableWebSocket 3 | 4 | final class CodableWebSocketTests: XCTestCase { 5 | func testExample() { 6 | // This is an example of a functional test case. 7 | // Use XCTAssert and related functions to verify your tests produce the correct 8 | // results. 9 | 10 | } 11 | 12 | static var allTests = [ 13 | ("testExample", testExample), 14 | ] 15 | } 16 | -------------------------------------------------------------------------------- /Tests/CodableWebSocketTests/XCTestManifests.swift: -------------------------------------------------------------------------------- 1 | import XCTest 2 | 3 | #if !canImport(ObjectiveC) 4 | public func allTests() -> [XCTestCaseEntry] { 5 | return [ 6 | testCase(CodableWebSocketTests.allTests), 7 | ] 8 | } 9 | #endif 10 | -------------------------------------------------------------------------------- /Tests/LinuxMain.swift: -------------------------------------------------------------------------------- 1 | import XCTest 2 | 3 | import CodableWebSocketTests 4 | 5 | var tests = [XCTestCaseEntry]() 6 | tests += CodableWebSocketTests.allTests() 7 | XCTMain(tests) 8 | --------------------------------------------------------------------------------